#include<stdio.h>
#include<math.h>

void CalculateRealRoot(double a1,double b1,double c1);

int main(){
	double a,b,c;
	scanf("%lf %lf %lf",&a,&b,&c);
	CalculateRealRoot(a,b,c);
	return 0;
} 
void CalculateRealRoot(double a1,double b1,double c1)
{
	double delta,x1,x2;
	
	delta=b1*b1-4*a1*c1;
	if(delta<0)
	  printf("No Real Root");
	else{
		if(delta==0){
		  x1=-b1/(2*a1);
		  x2=-b1/(2*a1);
		  printf("x1=x2=%lf",x1);
		}
		else{
		  x1=(-b1+sqrt(delta))/2*a1;
		  x2=(-b1-sqrt(delta))/2*a1;
		  printf("x1=%lf,x2=%lf",x1,x2);
		}
	}
}
